. "Peace treaty concluded at Tivoli" . . . . . . . . . . . "\u03B1Until 1377" . "new war" . "war" . "negotiate peace" . "20pxPapal States" . . . "Cesena Bloodbath" . . "Papal States" . "\u03B2From 1377" . "return of the papacy to Rome" . "20pxMilan" . "War of Eight Saints" . . . "War of the Eight Saints" . . "20pxRepublic of Siena" . . . . "War of the Eight Saints" . . . . "20pxRepublic of Florence" . "Coalition of Italian city-states:" . . "Duchy of Milan" . .